If cot(A/2) = x, then the value of x is

The area of a trapezium is 21 sq cm, the distance between the parallel sides is 3 cm and one of the parallel sides is 8.3 cm. What is the length of the other parallel side?

If cos 2π/3c = x, then the value of x is

Dev lent Rs. 8000 to Jairam for 17 years and Rs. 4700 to Karnik for 16 years on simple interest at the same rate of interest and received Rs. 21120 in all from both of them as interest. The rate of interest per annum is:

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

An angle is (2/3)rd of its supplementary angle. What is the measure of the angle?

The diagonals are not perpendicular in a _____.

The manufacturer does not want to use it, the buyer does not need to use it and the user does not know he is using it. What is it?